急性原发坏死性乳突炎并发化脓性脑膜炎较为罕见。其发病早期无鼓膜穿孔,命名尚不统一,实属非典型性乳突炎之列,故暂称之为“原发坏死性乳突炎”。李××,女,32岁,农民。住院号5716。患者来诊前4天,不明原因的发热头痛,以右侧头痛为重,继之出现喷射状呕吐。发病3天后,始感右耳部疼痛,且右耳道中有稀水样液流出。经医治无效,后转入我院。患者否认过去有耳底病史,但发病前有外感病 Acute primary necrotizing mastoiditis associated purulent meningitis is relatively rare. The early onset of non-tympanic membrane perforation, the name is not uniform, it is atypical mastoiditis, it is tentatively called “primary necrotizing mastoiditis.” Li × ×, female, 32 years old, farmer. Hospital number 5716. Patients came to the clinic 4 days before, fever of unknown cause of headache, to the right headache, followed by jet-like vomiting. 3 days after onset, the beginning of the right ear pain, and the right ear canal in a thin water sample outflow. After the medical invalid, then transferred to our hospital. Patients deny the history of the history of the ear, but before the onset of exogenous disease